CN107502939B - Wear-resistant bearing rolling body - Google Patents
Wear-resistant bearing rolling body Download PDFInfo
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- CN107502939B CN107502939B CN201710492085.3A CN201710492085A CN107502939B CN 107502939 B CN107502939 B CN 107502939B CN 201710492085 A CN201710492085 A CN 201710492085A CN 107502939 B CN107502939 B CN 107502939B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
- C23C8/38—Treatment of ferrous surfaces
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/026—Anodisation with spark discharge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/02—Mechanical properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/02—Mechanical properties
- F16C2202/04—Hardness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/60—Ferrous alloys, e.g. steel alloys
- F16C2204/66—High carbon steel, i.e. carbon content above 0.8 wt%, e.g. through-hardenable steel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/60—Ferrous alloys, e.g. steel alloys
- F16C2204/70—Ferrous alloys, e.g. steel alloys with chromium as the next major constituent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/10—Hardening, e.g. carburizing, carbo-nitriding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/32—Balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/34—Rollers; Needles
Abstract
The invention discloses a wear-resistant bearing rolling element, which is prepared by pressurizing and soaking a bearing rolling element by adopting a sodium cocoyl glutamate solution, cleaning and drying the bearing rolling element, adding the bearing rolling element into a low-temperature plasma treatment device for low-temperature plasma treatment for 70-80s, adding the bearing rolling element into a micro-arc oxidation device for micro-arc oxidation treatment within 60s after the treatment is finished, wherein the treatment time is 2-3min, then putting the bearing rolling element into castor oil for soaking treatment, and taking out the bearing rolling element for surface wiping after the treatment is finished; the method for treating the rolling element can obviously improve the wear resistance of the bearing rolling element.
Description
Technical Field
The invention belongs to the technical field of bearings, and particularly relates to a rolling body of a wear-resistant bearing.
Background
The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient (friction coefficient) in its motion process, and guarantee its gyration precision (accuracy). The bearings can be classified into rolling bearings and sliding bearings according to the frictional properties of the moving elements. Rolling bearings have been standardized and serialized, but have a larger radial size, vibration and noise, and a higher price than sliding bearings. The rolling bearing is generally composed of an outer ring, an inner ring, a rolling body and a retainer, wherein the rolling body has a very obvious function as one part of a bearing structure, the rolling body directly influences the service performance and service life of the bearing, the wear is the most common problem of the rolling body, and the wear resistance of the rolling body directly influences the performance of the bearing.
Disclosure of Invention
The invention aims to solve the existing problems and provides a wear-resistant bearing rolling body.
The invention is realized by the following technical scheme:
a wear resistant bearing rolling element comprising: pressurizing and soaking a bearing rolling body by adopting a sodium cocoyl glutamate solution, cleaning and drying, adding the bearing rolling body into a low-temperature plasma treatment device for low-temperature plasma treatment for 70-80s, adding the bearing rolling body into a micro-arc oxidation device for micro-arc oxidation treatment within 60s after the treatment is finished, and then putting the bearing rolling body into castor oil for soaking treatment, taking out the bearing rolling body after the treatment is finished, and wiping the surface to dry.
Further, the material of the bearing rolling element is GCr 15.
Further, the mass fraction of the sodium cocoyl glutamate solution is 3.4-3.6%.
Further, the pressure soaking treatment specifically comprises: adding the sodium cocoyl glutamate solution into a reaction kettle, then adding a bearing rolling element into the sodium cocoyl glutamate solution, completely soaking the bearing rolling element in the sodium cocoyl glutamate solution, heating to 80-90 ℃, preserving heat for 10-12min, then pressurizing to 3.8-4.0MPa, maintaining the pressure for 2 hours, and then taking out.
Further, the cleaning and drying specifically comprises: washing with deionized water at 30 deg.C, and vacuum drying at 120 deg.C.
Further, the low-temperature plasma treatment specifically comprises: the low-temperature plasma treatment gas is a mixed gas of carbon dioxide and sulfur dioxide, the treatment pressure is 100Pa, and the treatment time is 1-2 min.
Further, the mixed gas of carbon dioxide and sulfur dioxide is prepared by carbon dioxide and sulfur dioxide according to the volume ratio of 20: 1.
Further, the micro-arc oxidation treatment specifically comprises: the bearing rolling body is treated by adopting a micro-arc oxidation device with the power of 15kW, the bearing rolling body and a stainless steel plate are adopted as counter electrodes, a potassium metaaluminate solution with the concentration of 12g/L prepared by deionized water is adopted as an electrolyte, the current density is 12A/dm, and the temperature of the electrolyte during electrolysis is 30 ℃.
Further, the castor oil is soaked in the castor oil for 2 hours at the temperature of 60-80 ℃.
Compared with the prior art, the invention has the following advantages: the invention can effectively remove grease on the surface of the rolling element by adopting the sodium cocoyl glutamate solution for pressure soaking treatment, can ensure that a certain amount of sodium cocoyl glutamate is soaked on the surface layer of the rolling element, can effectively form a wear-resistant layer on the surface layer of the rolling element when low-temperature plasma treatment is carried out, can obviously reduce the friction coefficient of the surface of the rolling element, can ensure that sulfur atoms and carbon atoms can permeate into the wear-resistant layer to a certain degree, improve the hardness of the wear-resistant layer, can further enhance the hardness of the wear-resistant layer and improve the toughness of the wear-resistant layer by carrying out micro-arc oxidation treatment, can ensure that the local temperature of the surface is increased when the surface of the rolling element is rubbed, can ensure that the carbon atoms and sulfur atoms in the wear-resistant layer are further diffused to the body phase, further plays a role in reducing friction and resisting wear, and further improves the wear resistance of the rolling element, in addition, through the last castor oil soaking treatment, the generated wear-resistant layer is also beneficial to maintaining an oil film, the initial wear and noise are reduced, and meanwhile, through the comprehensive result of reducing the friction coefficient and enhancing the heat dissipation, the softening of the friction surface is delayed, the wear rate is reduced, and the anti-adhesion and anti-occlusion capabilities are improved; the processing of the rolling body in the invention does not change the precision of the rolling body, has rough surface and does not influence the application range of the rolling body.
Detailed Description
Example 1
A wear resistant bearing rolling element comprising: the bearing rolling element is pressurized and soaked by adopting a sodium cocoyl glutamate solution, then cleaned and dried, then added into a low-temperature plasma treatment device for low-temperature plasma treatment for 70s, after the treatment is finished, the treated bearing rolling element is added into a micro-arc oxidation device for micro-arc oxidation treatment within 60s, the treatment time is 2-3min, then the treated bearing rolling element is put into castor oil for soaking treatment, and after the treatment is finished, the surface of the treated bearing rolling element is taken out and wiped to be dry.
Further, the material of the bearing rolling element is GCr 15.
Further, the mass fraction of the sodium cocoyl glutamate solution is 3.4%.
Further, the pressure soaking treatment specifically comprises: adding the sodium cocoyl glutamate solution into a reaction kettle, then adding a bearing rolling element into the sodium cocoyl glutamate solution, completely soaking the bearing rolling element in the sodium cocoyl glutamate solution, heating to 80 ℃, preserving heat for 10min, then pressurizing to 3.8MPa, maintaining the pressure for 2 hours, and then taking out.
Further, the cleaning and drying specifically comprises: washing with deionized water at 30 deg.C, and vacuum drying at 120 deg.C.
Further, the low-temperature plasma treatment specifically comprises: the low-temperature plasma treatment gas is a mixed gas of carbon dioxide and sulfur dioxide, the treatment pressure is 100Pa, and the treatment time is 1 min.
Further, the mixed gas of carbon dioxide and sulfur dioxide is prepared by carbon dioxide and sulfur dioxide according to the volume ratio of 20: 1.
Further, the micro-arc oxidation treatment specifically comprises: the bearing rolling body is treated by adopting a micro-arc oxidation device with the power of 15kW, the bearing rolling body and a stainless steel plate are adopted as counter electrodes, a potassium metaaluminate solution with the concentration of 12g/L prepared by deionized water is adopted as an electrolyte, the current density is 12A/dm, and the temperature of the electrolyte during electrolysis is 30 ℃.
Further, the castor oil is soaked in the castor oil for 2 hours at the soaking temperature of 60 ℃.
Example 2
A wear resistant bearing rolling element comprising: the bearing rolling element is pressurized and soaked by adopting a sodium cocoyl glutamate solution, then cleaned and dried, then added into a low-temperature plasma treatment device for low-temperature plasma treatment for 80s, after the treatment is finished, the treated bearing rolling element is added into a micro-arc oxidation device for micro-arc oxidation treatment within 60s, the treatment time is 2-3min, then the treated bearing rolling element is put into castor oil for soaking treatment, and after the treatment is finished, the surface of the treated bearing rolling element is taken out and wiped to be dry.
Further, the material of the bearing rolling element is GCr 15.
Further, the mass fraction of the sodium cocoyl glutamate solution is 3.6%.
Further, the pressure soaking treatment specifically comprises: adding the sodium cocoyl glutamate solution into a reaction kettle, then adding a bearing rolling element into the sodium cocoyl glutamate solution, completely soaking the bearing rolling element in the sodium cocoyl glutamate solution, heating to 90 ℃, preserving heat for 12min, then pressurizing to 4.0MPa, maintaining the pressure for 2 hours, and then taking out.
Further, the cleaning and drying specifically comprises: washing with deionized water at 30 deg.C, and vacuum drying at 120 deg.C.
Further, the low-temperature plasma treatment specifically comprises: the low-temperature plasma treatment gas is a mixed gas of carbon dioxide and sulfur dioxide, the treatment pressure is 100Pa, and the treatment time is 2 min.
Further, the mixed gas of carbon dioxide and sulfur dioxide is prepared by carbon dioxide and sulfur dioxide according to the volume ratio of 20: 1.
Further, the micro-arc oxidation treatment specifically comprises: the bearing rolling body is treated by adopting a micro-arc oxidation device with the power of 15kW, the bearing rolling body and a stainless steel plate are adopted as counter electrodes, a potassium metaaluminate solution with the concentration of 12g/L prepared by deionized water is adopted as an electrolyte, the current density is 12A/dm, and the temperature of the electrolyte during electrolysis is 30 ℃.
Further, the castor oil is soaked in the castor oil at the temperature of 80 ℃ for 2 hours.
Example 3
A wear resistant bearing rolling element comprising: the method comprises the steps of pressurizing and soaking a bearing rolling element by adopting a sodium cocoyl glutamate solution, cleaning and drying, adding the bearing rolling element into a low-temperature plasma treatment device for low-temperature plasma treatment for 75s, adding the bearing rolling element into a micro-arc oxidation device for micro-arc oxidation treatment within 60s after treatment is finished, soaking the bearing rolling element into castor oil, taking out the bearing rolling element after the treatment is finished, and wiping the surface to dry.
Further, the material of the bearing rolling element is GCr 15.
Further, the mass fraction of the sodium cocoyl glutamate solution is 3.5%.
Further, the pressure soaking treatment specifically comprises: adding the sodium cocoyl glutamate solution into a reaction kettle, then adding a bearing rolling element into the sodium cocoyl glutamate solution, completely soaking the bearing rolling element in the sodium cocoyl glutamate solution, heating to 85 ℃, preserving heat for 11min, then pressurizing to 3.9MPa, maintaining the pressure for 2 hours, and then taking out.
Further, the cleaning and drying specifically comprises: washing with deionized water at 30 deg.C, and vacuum drying at 120 deg.C.
Further, the low-temperature plasma treatment specifically comprises: the low-temperature plasma treatment gas is a mixed gas of carbon dioxide and sulfur dioxide, the treatment pressure is 100Pa, and the treatment time is 1 min.
Further, the mixed gas of carbon dioxide and sulfur dioxide is prepared by carbon dioxide and sulfur dioxide according to the volume ratio of 20: 1.
Further, the micro-arc oxidation treatment specifically comprises: the bearing rolling body is treated by adopting a micro-arc oxidation device with the power of 15kW, the bearing rolling body and a stainless steel plate are adopted as counter electrodes, a potassium metaaluminate solution with the concentration of 12g/L prepared by deionized water is adopted as an electrolyte, the current density is 12A/dm, and the temperature of the electrolyte during electrolysis is 30 ℃.
Further, the castor oil is soaked in the castor oil for 2 hours at 70 ℃.
Comparative example 1: the difference from example 1 is only that the bearing rolling elements are not pressure-soaked with the sodium cocoyl glutamate solution.
Comparative example 2: only the difference from example 1 is that the low temperature plasma treatment employs pure carbon dioxide treatment.
Comparative example 3: only 2min after the low temperature plasma treatment, and then the micro arc oxidation treatment was performed, which is different from example 1.
Comparative example 4: only differs from example 1 in that no castor oil soaking treatment is used.
Friction and wear test:
the friction and wear performance of the lubricant and various materials is evaluated in a sliding, rolling and composite mode by adopting an MMW-1 type vertical universal friction and wear testing machine, and the main technical parameters are as follows: the maximum test force is 100N, the relative error of the indication value of the test force is 1%, the rotating speed range of the main shaft is 0.05-2000r/min, and the temperature control range of the sample is room temperature-260 ℃:
a vertical universal friction wear testing machine is utilized, under the condition of dry friction, friction wear tests are carried out on the rolling bodies treated in the embodiment and the comparative example under the conditions that the load is 100N and the rotating speed of a main shaft is 100r/min, the diameters of the rolling bodies are 5mm, a group of untreated rolling bodies are set as a control group, and the materials and the sizes are the same:
TABLE 1 coefficient of friction
As can be seen from Table 1, the friction coefficient of the surface of the rolling element treated by the method of the invention is greatly reduced;
TABLE 2160 h abrasion loss/g
As can be seen from Table 2, the wear resistance of the rolling element treated by the present invention is significantly improved.
Claims (5)
1. A wear resistant bearing rolling element comprising: pressurizing and soaking a bearing rolling body by adopting a sodium cocoyl glutamate solution, cleaning and drying, adding the bearing rolling body into a low-temperature plasma treatment device for low-temperature plasma treatment for 70-80s, adding the bearing rolling body into a micro-arc oxidation device for micro-arc oxidation treatment within 60s after the treatment is finished, wherein the treatment time is 2-3min, then soaking the bearing rolling body into castor oil, taking out the bearing rolling body after the treatment is finished, and wiping the surface to dry;
the pressure soaking treatment specifically comprises the following steps: adding the sodium cocoyl glutamate solution into a reaction kettle, then adding a bearing rolling element into the sodium cocoyl glutamate solution, completely soaking the bearing rolling element in the sodium cocoyl glutamate solution, heating to 80-90 ℃, preserving heat for 10-12min, then pressurizing to 3.8-4.0MPa, maintaining the pressure for 2 hours, and then taking out;
the low-temperature plasma treatment specifically comprises the following steps: the low-temperature plasma treatment gas is a mixed gas of carbon dioxide and sulfur dioxide, the treatment pressure is 100Pa, and the treatment time is 1-2min, wherein the mixed gas of carbon dioxide and sulfur dioxide is prepared by the volume ratio of carbon dioxide to sulfur dioxide of 20: 1;
the micro-arc oxidation treatment specifically comprises the following steps: a micro-arc oxidation device with power of 15kW is adopted to treat the bearing rolling element, the bearing rolling element and a stainless steel plate are adopted as counter electrodes, a 12g/L potassium metaaluminate solution prepared from deionized water is adopted as an electrolyte, the current density is 12A/dm, and the temperature of the electrolyte during electrolysis is 30 ℃.
2. A wear resistant bearing rolling element as claimed in claim 1 wherein said bearing rolling element material is GCr 15.
3. The rolling element of a wear-resistant bearing as claimed in claim 1, wherein the mass fraction of the sodium cocoyl glutamate solution is 3.4-3.6%.
4. The rolling element of a wear-resistant bearing according to claim 1, wherein the cleaning and drying is specifically: and (3) cleaning with deionized water at the cleaning temperature of 30 ℃, and then drying in vacuum at the temperature of 120 ℃.
5. A wear resistant bearing rolling element as claimed in claim 1 wherein said castor oil is soaked at a temperature of 60-80 ℃ for a period of 2 hours.
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| CN201710492085.3A CN107502939B (en) | 2017-06-26 | 2017-06-26 | Wear-resistant bearing rolling body |
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| CN201710492085.3A CN107502939B (en) | 2017-06-26 | 2017-06-26 | Wear-resistant bearing rolling body |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319346A (en) * | 2007-06-08 | 2008-12-10 | 钰铠科技股份有限公司 | Recovery method for galvanization process and equipment thereof |
| CN101884938A (en) * | 2010-06-29 | 2010-11-17 | 武汉大学 | Method for preparing nitrogen-doped TiO2 photocatalytic film |
| CN102242386A (en) * | 2011-06-20 | 2011-11-16 | 卢坚武 | Preparation method for forming film on surface of stainless steel |
| CN102732822A (en) * | 2012-07-17 | 2012-10-17 | 南昌航空大学 | Liquid-phase plasma electrolysis osmosis treatment device |
| CN202823956U (en) * | 2012-08-08 | 2013-03-27 | 江苏兴达钢帘线股份有限公司 | Novel online water washing device for steel wire |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100494498C (en) * | 2004-02-04 | 2009-06-03 | 本田技研工业株式会社 | Method for surface treatment of metal material |
| CN100337020C (en) * | 2005-06-22 | 2007-09-12 | 郭少卿 | Manufacutring technology of friction pair four composite unit without grinding |
| CN101914747A (en) * | 2010-08-17 | 2010-12-15 | 宋中林 | Cryogenic liquid sulfurizing method on surface of rolling bearing |
| CN102021632A (en) * | 2010-12-15 | 2011-04-20 | 中国铝业股份有限公司 | Method for preparing protective film on copper alloy surface |
| CN102321907A (en) * | 2011-06-23 | 2012-01-18 | 兰州理工大学 | Preparation method of composite film on surface of steel and solution formula for preparation method |
| CN102748380B (en) * | 2012-07-06 | 2015-04-15 | 东南大学 | High-speed water bearing structure with micro-arc oxidation film layer |
| CN103334106B (en) * | 2013-05-21 | 2015-06-03 | 中国船舶重工集团公司第七二五研究所 | Surface-hardening treatment method of sealing pairs and friction pairs of titanium and titanium alloy ball valves |
| CN104775144B (en) * | 2015-04-22 | 2017-01-25 | 西南石油大学 | Preparation method of microarc oxidation film doped ceramic micropowder on aluminum drill pipe surface |
| CN105909963A (en) * | 2016-04-15 | 2016-08-31 | 哈尔滨工业大学 | Membrane-oil composite lubrication method |
| CN105839165B (en) * | 2016-04-20 | 2017-12-12 | 深圳八六三计划材料表面技术研发中心 | A kind of austenitic stainless steel and raising hardness and corrosion proof processing method |
-
2017
- 2017-06-26 CN CN201710492085.3A patent/CN107502939B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319346A (en) * | 2007-06-08 | 2008-12-10 | 钰铠科技股份有限公司 | Recovery method for galvanization process and equipment thereof |
| CN101884938A (en) * | 2010-06-29 | 2010-11-17 | 武汉大学 | Method for preparing nitrogen-doped TiO2 photocatalytic film |
| CN102242386A (en) * | 2011-06-20 | 2011-11-16 | 卢坚武 | Preparation method for forming film on surface of stainless steel |
| CN102732822A (en) * | 2012-07-17 | 2012-10-17 | 南昌航空大学 | Liquid-phase plasma electrolysis osmosis treatment device |
| CN202823956U (en) * | 2012-08-08 | 2013-03-27 | 江苏兴达钢帘线股份有限公司 | Novel online water washing device for steel wire |
Non-Patent Citations (4)
| Title |
|---|
| "Study on the tribological behavior of micro-arc oxidized ceramic coatings on magnesium alloy surfaces";Chen, F 等;《RARE METAL MATERIALS AND ENGINEERING》;20060531;第35卷(第5期);第806-809页 * |
| "低温离子渗硫对滚动轴承用钢耐磨性能的影响";王旭 等;《铁道车辆》;20040810;第42卷(第08期);第19-22页 * |
| "轴承钢的离子渗硫处理及固液复合润滑机理与应用研究";刘沅东;《中国优秀博士学位论文全文数据库 工程科技I辑》;20100815;第B022-12页 * |
| "高性能渗氮轴承钢微观组织和磨损性能研究";王家玮;《中国优秀硕士学位论文全文数据库 工程科技I辑》;20140615;第B022-130页 * |
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